Ratios of Similar Figures
Students explore the ratio of perimeter, area, surface area, and volume of similar figures in two and three dimensional figures.https://education.ti.com/en/activity/detail/ratios-of-similar-figures_1
Tangents to a Circle
Explore properties of tangent lines and how they differ from secant lines.https://education.ti.com/en/activity/detail/tangents-to-a-circle
Sine. It's the Law.
Students will investigate the ratio of the sine of an angle to the length of the opposite side.https://education.ti.com/en/activity/detail/sine--its-the-law_1
Secants, Tangents and Arcs
Explore the angle and arc relationships for two intersecting lines that intersect a circle.https://education.ti.com/en/activity/detail/secants-tangents-and-arcs
Special Segments in Triangles
In this activity, students construct medians, altitudes, angle bisectors, and perpendicular bisectors of triangles. They then drag the vertices to see where the intersections of the segments lie in relation to the triangle, and they measure distances to identify relationships. They see that the i...https://education.ti.com/en/activity/detail/special-segments-in-triangles_1
Remote Interior Angles
Students use the handheld activity and questions to explore remote interior angles.https://education.ti.com/en/activity/detail/remote-interior-angles
Rhombi, Kites, and Trapezoids
Students discover properties of the diagonals of rhombi and kites, and the properties of angles in rhombi, kites, and trapezoids.https://education.ti.com/en/activity/detail/rhombi-kites-and-trapezoids_1
Interrogating Data by Random Sampling
This lesson involves using random sampling to make predictions about a population.https://education.ti.com/en/activity/detail/interrogating-data-by-random-sampling
Where is the Point?
Students are introduced to the Cartesian plane.https://education.ti.com/en/activity/detail/where-is-the-point
Linear Modeling
This lesson involves modeling relationship between variables related to the operational cost of airplanes.https://education.ti.com/en/activity/detail/linear-modeling
Supertall Skyscrapers
In this activity, students use their handhelds to measure scale drawings of famous “supertall” skyscrapers. They first check that the Sears Tower is drawn to scale and then use their measurements to calculate that scale. Next, they write and solve proportions to find the heights of other skyscrap...https://education.ti.com/en/activity/detail/supertall-skyscrapers
Linear Equation Investigation
Students are given a real-life situation (cost of a birthday party) they must create an algebraic equation, table of values, and a scatterplot of the table that is created. They are asked to explain patterns that they observed in each type of representation and also check their accuracy when cre...https://education.ti.com/en/activity/detail/linear-equation-investigation
Lines of Fit
This lesson involves informally fitting a straight line for a given data set that represents mean verbal and mathematics scores on SAT in 2004 across all 50 states and Washington, D.C.https://education.ti.com/en/activity/detail/lines-of-fit
Solving Systems by Graphing
Explore moving a point to illustrate solving systems of linear equations graphically.https://education.ti.com/en/activity/detail/solving-systems-by-graphing
Solving Systems by the Elimination Method
Use equivalent equations and the method of elimination to solve a system of equations.https://education.ti.com/en/activity/detail/solving-systems-by-the-elimination-method
The Impossible Task
Students are given a manufacturing situation and asked to write and graph inequalities to represent it and find the solutions.https://education.ti.com/en/activity/detail/the-impossible-task_1
Geometry: Exploring Quadrilaterals
Drag the verices of a quadrilateral and build the different types; focus on the properties of these different figures, and finally put it all together to identify different quadrilaterals from their properties.https://education.ti.com/en/activity/detail/geometry-exploring-quadrilaterals
Exploring Bivariate Data
This lesson involves investigating patterns of association in various sets of bivariate data.https://education.ti.com/en/activity/detail/exploring-bivariate-data
Glide Reflections
Explore using a translated figure to create a glide reflection.https://education.ti.com/en/activity/detail/glide-reflections
Hanging with the Incenter
In this activity, students will explore the angle bisector of the angles of a triangle. Students will discover that the angle bisectors are concurrent. The point of concurrency is the incenter. Students should discover the relationship between the type of triangle and the location of the point of...https://education.ti.com/en/activity/detail/hanging-with-the-incenter
Dover Chase Activity
Students investigate where most wrecks occur at Dover by creating a bar graph given data in a table. Students will then use the graph to analyze the data and make predictions.https://education.ti.com/en/activity/detail/dover-chase-activity
Equivalent or Not Equivalent?
Introduce the idea of equivalent expressions in the context of three critical operations.https://education.ti.com/en/activity/detail/equivalent-or-not-equivalent
Exploring Domain and Range
Explore visual representations of relations to determine their domain and range.https://education.ti.com/en/activity/detail/exploring-domain-and-range
Exploring Expressions
Substitute values for variables and evaluate expressions.https://education.ti.com/en/activity/detail/exploring-expressions
Exploring Graphs of Inequalities
Test ordered pairs to determine if they are part of the solution set to an inequality.https://education.ti.com/en/activity/detail/exploring-graphs-of-inequalities